Measurements:
°C
°F
Marquette
28°F
SE 9 mph
Feels like: 18°F
Precip: 83%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+30.4°F
Maximum Sea Water Temperature in April: 41.8°F
Minimum Sea Water Temperature in April: 30.0°F
Average water temperature in April: 33.9°F

Sea Water Temperature for the Last 10 Days:

April 03 30.4°F March 29 31.0°F
April 02 30.4°F March 28 31.0°F
April 01 31.0°F March 27 30.8°F
March 31 30.2°F March 26 30.8°F
March 30 30.6°F March 25 30.6°F

When is the Warmest Sea for Marquette?

According to our data for the last three years for Marquette the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marquette was 67.7°F. The maximum and minimum values were 64.0°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marquette was 63.0°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Marquette was 62.0°F. The maximum and minimum values were 51.2°F and 70.2°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 14 days
September 13 days
August 13 days
The most warm months:
August 72.8 °F
July 72.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.8 °F
September 63.6 °F
July 61.9 °F
The most cold months:
January 18.8 °F
February 20.3 °F
December 25.3 °F
The most rainy months:
August 3 days
June 2 days
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Chicago +46
Hawaii +74
Honolulu +74
Houston +74
Las Vegas +54
Los Angeles +56
Maui +66
Miami +74
Miami Beach +78
New York +40
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +48
24 Hours Weather Forecast
Marquette
Local time: 05:45
03 apr, friday
0600 28°F
SE
9 mph
0900 26°F
SE
12 mph
1200 26°F
SE
13 mph
1500 26°F
S
12 mph
1800 26°F
S
9 mph
2100 26°F
S
7 mph
04 apr, saturday
0000 26°F
SW
11 mph
0300 28°F
W
10 mph